MAX16059ATT26+T Integrated Circuits (ICs)

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PMIC (Power management integrated circuits) offer the potential to deliver improved performance and reduced power consumption in today’s complex electronics designs. The MAX16059ATT26+T is an example of a PMIC, specifically classified as a Supervisor. The MAX16059ATT26+T provides improved accuracy, flexibility, and ease-of-use for system designs, managing supply voltages to enable greater reliability and longer product life.

The MAX16059ATT26+T is a controller, monitoring and responding to system input and external conditions. This device offers a small package size, combining the power management required for microprocessor (MPU) and application specific integrated circuits (ASICs) in one board.

The device features an integrated fault monitoring system, designed to shut down power before any over-voltage or under-voltage condition causes damage to the circuit. Additionally, it provides supply sequencing logic to ensure predictable power on and power off operation.

Applications of the MAX16059ATT26+T

Supervisors such as the MAX16059ATT26+T are indispensable in low power and portable systems where the power is sourced from a variety of sources such as battery, solar cells, AC lines, and USB ports. The supervisor ensures that the voltage and current supplied to the system is within the required range, delivering reliable and safe operation.

One example of the application of a supervisor is in notebook computers. When the computer is running on battery power, the supervisor provides a critical bridge between the battery, charging unit and the charger circuit, managing the system power and battery charging.

Other applications include neural networks and the Internet of Things (IoT) for power management and condition monitoring. The data collected enables predictive maintenance and machine learning.

Working Principle of the MAX16059ATT26+T

At its core, the MAX16059ATT26+T is a voltage monitor, measuring the voltage rail against a fixed reference. This voltage may be supplied from a wide range of sources, including downstream power sources, battery inputs and AC/DC power sources.

The controller circuit will compare the input voltage to the set voltage threshold. If the voltage exceeds the set voltage, the controller will open the power supply switch. It will also generate an interrupt signal to notify the system of a fault, either in the form of an output pin or an on-chip fault management unit.

If the voltage is below the set voltage, the controller will assert an output to activate the power supply switch, allowing current to flow to the system. The controller also provides sequencing logic, allowing the individual voltage rails to be activated in the correct order. This improves system reliability and prevents damage due to backfeeding.

The MAX16059ATT26+T also provides temperature monitoring. This allows the system to be monitored against environmental conditions, preventing damage under high temperature conditions. The device also features features such as watchdog timer, thermal shutdown and power-on reset for improved system reliability.

Conclusion

The MAX16059ATT26+T is an example of a PMIC specific classified as a supervisor. It is designed to offer improved accuracy, flexibility and ease-of-use for system designs, managing supply voltages to enable greater reliability and longer product life. The supervisor is indispensable in low power and portable systems where the power is sourced from a variety of sources. By monitoring and responding to system input and external conditions, the MAX16059ATT26+T ensure that the voltage and current supplied to the system are within the required range, delivering reliable and safe operation.

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